单词 | heavier-than-air |
释义 | heavier-than-air in British Englishadjective 1. having a density greater than that of air 2. of or relating to an aircraft that does not depend on buoyancy for support but gains lift from aerodynamic forces heavier-than-air in American English (ˈheviərðənˈɛər) adjective (of an aircraft) weighing more than the air that it displaces, hence having to obtain lift by aerodynamic means Word origin [1900–05]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: cathode-ray tube, clone, desensitize, elder statesman, geopoliticsExamples of 'heavier-than-air' in a sentence |
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